555
FNCA52 TJSJ 060802
FWFSJU
FIRE WEATHER PLANNING FORECAST FOR PUERTO RICO
NATIONAL WEATHER SERVICE SAN JUAN PR
402 AM AST TUE JAN 6 2026
DISCUSSION
THE FIRE DANGER IS EXPECTED TO CONTINUE LOW TODAY AS THE AREA
REMAINS UNDER THE INFLUENCE OF A FRONTAL PASSAGE. SHOWERS AND
CLOUDINESS ARE EXPECTED THROUGH MOST OF THE DAY. HOWEVER, A QUICK
DRYING TREND IS EXPECTED LATE THIS AFTERNOON THROUGH WEDNESDAY,
AND THE RELATIVE HUMIDITY IS EXPECTED TO DROP TO THE LOW AND
MID-40S BY LATE WEDNESDAY MORNING. NORTHEAST WINDS SHOULD RANGE
BETWEEN 10 AND 15 MPH IN GENERAL.
PRZ014-070815-
SOUTHEAST COASTAL PLAINS-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 10 30
TEMP (24H TREND) 86 (+1) 66 (-3) 86
RH % (24H TREND) 60 (-6) 91 (-5) 44
WIND 20FT/EARLY(MPH) NE 12 G17 NE 10 E 13 G17
WIND 20FT/LATE(MPH) NE 12 G17 NE 10 E 13 G17
MIXING HGT(FT-AGL/MSL)4460 6180
TRANSPORT WND (MPH) NE 10 NE 7
VENT RATE (KT-FT) 40140 37080
DISPERSION 5 5
DSI 5 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ015-070815-
SOUTHERN HILLS-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 20 30
TEMP (24H TREND) 81 (+1) 63 (-4) 82
RH % (24H TREND) 67 (-5) 97 (+1) 59
WIND 20FT/EARLY(MPH) NE 10 NE 10 E 10
WIND 20FT/LATE(MPH) NE 10 NE 10 E 10
MIXING HGT(FT-AGL/MSL)4260 6140
TRANSPORT WND (MPH) NE 10 NE 7
VENT RATE (KT-FT) 38340 36840
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ016-070815-
NORTH COASTAL PLAINS-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 30
TEMP (24H TREND) 83 (0) 67 (-2) 84
RH % (24H TREND) 67 (-4) 99 (0) 61
WIND 20FT/EARLY(MPH) NE 14 NE 13 NE 13
WIND 20FT/LATE(MPH) NE 14 NE 13 NE 13
MIXING HGT(FT-AGL/MSL)4080 5140
TRANSPORT WND (MPH) NE 14 NE 10
VENT RATE (KT-FT) 48960 46260
DISPERSION 5 5
DSI 6 5 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ017-070815-
NORTHERN HILLS-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 50 30 20
TEMP (24H TREND) 82 (0) 64 (-4) 83
RH % (24H TREND) 69 (-2) 99 (-1) 60
WIND 20FT/EARLY(MPH) NE 13 E 12 NE 12
WIND 20FT/LATE(MPH) NE 13 E 12 NE 12
MIXING HGT(FT-AGL/MSL)3980 5720
TRANSPORT WND (MPH) NE 14 E 10
VENT RATE (KT-FT) 47760 51480
DISPERSION 5 5
DSI 5 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ018-070815-
WEST COAST-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 30 20
TEMP (24H TREND) 85 (0) 65 (-4) 86
RH % (24H TREND) 65 (-5) 97 (-1) 57
WIND 20FT/EARLY(MPH) NE 16 NE 14 SE 16
WIND 20FT/LATE(MPH) NE 16 NE 14 SE 16
MIXING HGT(FT-AGL/MSL)4570 4880
TRANSPORT WND (MPH) NE 15 E 7
VENT RATE (KT-FT) 59410 29280
DISPERSION 5 5
DSI 6 5 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ019-070815-
EASTERN INTERIOR-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 50 20
TEMP (24H TREND) 82 (0) 64 (-4) 83
RH % (24H TREND) 69 (-2) 100 (+1) 62
WIND 20FT/EARLY(MPH) NE 11 NE 11 NE 9
WIND 20FT/LATE(MPH) NE 11 NE 11 NE 9
MIXING HGT(FT-AGL/MSL)3870 5960
TRANSPORT WND (MPH) NE 10 NE 7
VENT RATE (KT-FT) 34830 35760
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ022-070815-
LUQUILLO MOUNTAIN RANGE-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 50 30
TEMP (24H TREND) 78 (+1) 63 (-3) 78
RH % (24H TREND) 73 (-3) 100 (0) 68
WIND 20FT/EARLY(MPH) NE 9 NE 9 NE 6
WIND 20FT/LATE(MPH) NE 9 NE 9 NE 6
MIXING HGT(FT-AGL/MSL)3580 5070
TRANSPORT WND (MPH) NE 10 NE 7
VENT RATE (KT-FT) 32220 30420
DISPERSION 5 5
DSI 5 4 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ023-070815-
CENTRAL MOUNTAIN RANGE-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE SHOWERS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 20 40
TEMP (24H TREND) 80 (+3) 61 (-5) 81
RH % (24H TREND) 69 (-4) 100 (+1) 60
WIND 20FT/EARLY(MPH) NE 14 NE 12 NE 10
WIND 20FT/LATE(MPH) NE 14 NE 12 NE 10
MIXING HGT(FT-AGL/MSL)3950 6670
TRANSPORT WND (MPH) NE 13 E 8
VENT RATE (KT-FT) 43450 46690
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ024-070815-
CAYEY MOUNTAIN RANGE-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 70 40 10
TEMP (24H TREND) 77 (-1) 63 (-3) 79
RH % (24H TREND) 73 (-1) 100 (0) 67
WIND 20FT/EARLY(MPH) N 9 N 8 NE 9
WIND 20FT/LATE(MPH) N 9 N 8 NE 9
MIXING HGT(FT-AGL/MSL)4170 5880
TRANSPORT WND (MPH) N 10 NE 8
VENT RATE (KT-FT) 37530 41160
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ025-070815-
VIEQUES-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 40 30
TEMP (24H TREND) 85 (0) 70 (-1) 85
RH % (24H TREND) 60 (-4) 95 (-4) 57
WIND 20FT/EARLY(MPH) NE 12 NE 13 G17 NE 9
WIND 20FT/LATE(MPH) NE 12 NE 13 G17 NE 9
MIXING HGT(FT-AGL/MSL)3450 3530
TRANSPORT WND (MPH) NE 16 NE 10
VENT RATE (KT-FT) 48300 31770
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ026-070815-
CULEBRA-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER MCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 30
TEMP (24H TREND) 85 (0) 72 (-1) 85
RH % (24H TREND) 61 (-3) 92 (-4) 58
WIND 20FT/EARLY(MPH) NE 12 NE 13 NE 6
WIND 20FT/LATE(MPH) NE 12 NE 13 NE 6
MIXING HGT(FT-AGL/MSL)3560 3450
TRANSPORT WND (MPH) NE 16 NE 10
VENT RATE (KT-FT) 49840 31050
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
PRZ027-070815-
SOUTHWEST COASTAL PLAINS AND MONA ISLAND-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY MCLEAR MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 80 50 30
TEMP (24H TREND) 87 (+1) 65 (-5) 87
RH % (24H TREND) 59 (-5) 93 (0) 43
WIND 20FT/EARLY(MPH) E 17 G19 NE 16 G18 SE 12
WIND 20FT/LATE(MPH) E 17 G19 NE 16 G18 SE 12
MIXING HGT(FT-AGL/MSL)4800 5170
TRANSPORT WND (MPH) NE 8 E 6
VENT RATE (KT-FT) 33600 25850
DISPERSION 5 5
DSI 5 3 5
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ001-070815-
SAINT THOMAS AND SAINT JOHN-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY PCLDY
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 30
TEMP (24H TREND) 85 (+1) 71 (-2) 85
RH % (24H TREND) 59 (-8) 95 (0) 58
WIND 20FT/EARLY(MPH) NE 12 NE 12 NE 8
WIND 20FT/LATE(MPH) NE 12 NE 12 NE 8
MIXING HGT(FT-AGL/MSL)3570 3470
TRANSPORT WND (MPH) NE 15 NE 9
VENT RATE (KT-FT) 46410 27760
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
VIZ002-070815-
ST CROIX-
402 AM AST TUE JAN 6 2026
TODAY TONIGHT WED
CLOUD COVER PCLDY PCLDY MCLEAR
PRECIP TYPE TSTMS SHOWERS SHOWERS
CHANCE PRECIP (%) 60 30 20
TEMP (24H TREND) 86 (+1) 70 (-3) 86
RH % (24H TREND) 60 (-5) 95 (+1) 60
WIND 20FT/EARLY(MPH) NE 11 NE 11 E 8
WIND 20FT/LATE(MPH) NE 11 NE 11 E 8
MIXING HGT(FT-AGL/MSL)3820 4050
TRANSPORT WND (MPH) NE 10 NE 9
VENT RATE (KT-FT) 34380 32400
DISPERSION 5 5
DSI 6 6 6
RH RECOVERY EXCELLENT
REMARKS...NONE.
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